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Finding the Fourth Proportional to 232,688.16, 349,148.88 and 92,486.88

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Solution

The fourth proportional to 232,688.16, 349,148.88 and 92,486.88 is: 138,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,688.16 : 349,148.88 = 92,486.88 : x
  2. Step 2: Convert to fraction form
    232,688.16/349,148.88 = 92,486.88/x
  3. Step 3: Cross multiply
    232,688.16x = 349,148.88 × 92,486.88
  4. Step 4: Simplify right side
    232,688.16x = 32,291,690,566.69
  5. Step 5: Solve for x
    x = 32,291,690,566.69/232,688.16
  6. Step 6: Final answer
    x = 138,776.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.